TI-2026-62638 Aliases CVE-2026-92984 GHSA-jq63-mx4g-ww7g

HUBzero CMS through 2.2.32 Session Fixation via Query-String Session Identifier

LOW 39CWE-384Published 2026-09-17 · Updated 2026-09-21

Key facts

Attack vector: Network
Privileges required: None
User interaction: Active
Attack complexity: Low
Attack requirements: None
Impact type: Spoofing
Confidentiality · integrity · availability: High · High · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-384.

Summary

HUBzero CMS through 2.2.32 accepts session identifiers from query strings and request variables instead of cookies alone, allowing unauthenticated attackers to fixate victim sessions. Attackers can obtain a valid session identifier, send victims a crafted link containing it, and replay the identifier after the victim authenticates to hijack their account and access.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00464 40th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
hubzero	hubzero-cms	up to 2.2.32	—	No fix listed	CNA

hubzero-cms Vendorhubzero Affected up to 2.2.32 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-92984
2026-10-03 Alias added: GHSA-jq63-mx4g-ww7g

References

Patch 1

Patch Commit

Other 2

TI-2026-62631 HUBzero CMS through 2.2.32 Path Traversal via File Upload CVSS 4.0HIGH 8.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences